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Kruckeberg's Sword Fern
Polystichum kruckebergii
About Kruckeberg's Sword Fern (Polystichum kruckebergii) 0 Nurseries Carry This Plant Polystichum kruckebergii is a species of fern known by the common names Kruckeberg's sword fern and Kruckeberg's hollyfern. It is native to western North America from Alaska to Utah to California, where it grows in rocky mountain habitat in subalpine and alpine climates. This fern produces several narrow, erect leaves 10 to 25 centimeters long. Each leaf is made up of many oval to triangular leaflets, each no more than about 1. 5 centimeters long. The leaflets overlap and are somewhat twisted in their axes. Their edges are cut or toothed, the teeth sometimes tipped with spines.
Plant Description
Plant Type
Plant Type

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL
Thallophaga taylorata Image
Thallophaga taylorataThallophaga taylorata

Landscaping Information
Full Sun, Part Shade

Natural Setting
Annual Precipitation: 22.0" - 102.7", Summer Precipitation: 1.42" - 3.85", Coldest Month: 10.8" - 42.7", Hottest Month: 34.1" - 64.6", Humidity: 1.29" - 16.36", Elevation: 3699" - 14090"

Alternative Names
Common Names: Kruckeberg's Hollyfern

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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